Supposing humanity is still around billions of years from now, scientists say it’s unlikely we would notice any distinct ...

The Big Bang may not have been the beginning of the universe, according to a theory of cosmology that suggests the universe can “bounce” between phases of contraction and expansion. If that theory is ...

The concept of the Big Bang marks the beginning of our observable universe, which began expanding approximately 13.8 billion ...

A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

Instead of the big bang, some physicists have suggested that our universe may have come from a big bounce following another ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

One of the most widely accepted notions regarding the formation of the universe is the Big Bang theory. In a nutshell, it’s a concept in which all of existence was once crammed into an area of space ...

Our universe was born about 13.7 billion years ago in a massive expansion that blew space up like a gigantic balloon. That, in a nutshell, is the Big Bang theory, which virtually all cosmologists ...

This is a mere blink of an eye in cosmic terms, considering that scientists generally believe the universe has been around for about 13.8 billion years, which is when the Big Bang was believed to ...

Instead of the big bang, some physicists have suggested that our universe may have come from a big bounce following another ...